9866322 has 48 divisors (see below), whose sum is σ = 22702680. Its totient is φ = 3091200.

The previous prime is 9866317. The next prime is 9866327. The reversal of 9866322 is 2236689.

It is an interprime number because it is at equal distance from previous prime (9866317) and next prime (9866327).

It can be written as a sum of positive squares in 4 ways, for example, as 5239521 + 4626801 = 2289^2 + 2151^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9866327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21172 + ... + 21632.

Almost surely, 2^9866322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9866322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11351340).

9866322 is an abundant number, since it is smaller than the sum of its proper divisors (12836358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9866322 is a wasteful number, since it uses less digits than its factorization.

9866322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 536 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 9866322 is about 3141.0701997886. The cubic root of 9866322 is about 214.4791575100.

The spelling of 9866322 in words is "nine million, eight hundred sixty-six thousand, three hundred twenty-two".